Michelin Pilot Sport All Season 4 Premium Ultra-High Performance All-Season Tire - 235/45R18 98Y XL
The Michelin Pilot Sport All Season 4 is an ultra-premium, ultra-high performance (UHP) all-season passenger tire engineered to deliver precise steering reactivity, intense cornering grip, and true high-voltage tracking authority for sports sedans, sport coupes, and advanced electric vehicles. Developed using race-proven technologies modified for daily street performance, this reinforced Extra Load (XL) model delivers remarkable year-round braking traction across fluctuating wet, dry, and cold winter asphalt layers.
TIRE SPECIFICATIONS:
• Brand & Model: Michelin Pilot Sport All Season 4 (PILOT SPORT A/S 4)
• Part Number / SKU: 55731
• Tire Size: 235/45R18 (235/45-18)
• Load Index & Speed Rating: 98Y (Extra Load / XL / Rated for Continuous Speeds up to 300 kmh)
• Tire Season: Premium Multi-Season Ultra-High Performance All-Season (Mud & Snow M+S Certified)
• Treadwear Warranty: 70,000 km Manufacturer Limited Warranty
• Tread Depth: 10/32 inch
• Tread Design: Advanced Asymmetrical Non-Directional High-Torque Matrix
• Sidewall Finish: BSW (Black Sidewall)
• Electric Vehicle Optimized: Yes (Extreme Torque-Resistant Structure)
• UTQG Rating: 540 AA A
EXTREME SILICA+ TREAD COMPOUND & ENERGY CONSUMPTION MINIMIZATION FORMULA:
The structural tread footprint is poured from Michelin’s race-inspired Extreme Silica+ rubber matrix, highly integrated with next-generation functional elastomers. The tire's advanced compound optimizes rolling resistance efficiency ($R_r$) to minimize total vehicle energy consumption ($E$). By decreasing the rolling resistance coefficient ($C_{rr}$) against the vehicle's total mass ($m$) and gravitational force ($g$), the tire directly lowers the energy required per kilometer:
E = C_rr × m × g
This precise engineering creates a tightly cross-linked infrastructure that drastically reduces internal rolling friction and material heat buildup, improving energy efficiency to maximize total driving ranges while lowering the electric motor's watt-hour draw per kilometer (Wh/km).
DYNAMIC RESPONSE TECHNOLOGY & REINFORCED OUTBOARD SHOULDERS:
To govern immediate high-torque motor transitions without rapid outer edge scuffing, this model utilizes Michelin's proprietary Dynamic Response Technology. A mixed aramid and nylon belt network runs directly beneath the tread face to combat centrifugal casing distortion, ensuring structural footprint stability. This works alongside a rugged asymmetric outer shoulder block layout that places maximum rubber elements directly against the pavement to supply linear cornering authority under extreme lateral forces.
360-DEGREE VARIABLE SIPES & FREEZING HELIO+ TEMPERATURE RESINS:
To maintain steady straight-line tracking through surprise downpours or freezing slush, the tread blocks introduce deep 360-degree variable sipe technology alongside specialized Helio+ sunflower-oil infused resins. This premium chemical matrix allows the independent tread blocks to remain pliable and active at sub-zero temperatures, while the interlocking internal walls lock tightly together under heavy emergency braking to shield independent block stiffness.
PROFESSIONAL MOBILE TIRE INSTALLATION INCLUDED:
This tire purchase includes premium on-site mounting and precision balancing at your residence, driveway, or office workplace handled by Sparky X Mobile Tire Shop. Skip the waiting room—our fully self-powered mobile service units come directly to your vehicle to mount your new performance package smoothly and accurately using advanced professional equipment.
SPARKY X SERVICE AREA:
Exclusively available for professional on-site mobile tire installation within Ajax, Pickering, Whitby, Oshawa, Courtice, Bowmanville, Markham, North York, Richmond Hill, Scarborough, and Thornhill.
Michelin Pilot Sport All Season 4 Premium Ultra-High Performance All-Season Tire - 235/45R18 98Y XL
Tires > Passenger Car Tires > EV-Specific All-Season Tires
Multi-EV Compatibility Guide
Engineered explicitly to handle massive, immediate low-end motor torque transformations and boasting a reinforced 98 Load Index Extra Load (XL) structural layout, this ultra-responsive 235/45R18 UHP tire serves as a premier high-efficiency replacement option for several modern electrified sport platforms:
Tesla Model 3 (Standard Range RWD & Long Range AWD 18-Inch Factory Standard): The primary alternative choice for the original 18-inch Aero or Pinwheel package. The specialized elastomer matrix manages immediate dual-motor electric torque transitions flawlessly, ensuring crisp steering response and reduced lateral squirm without sacrificing essential cabin quietness.
Polestar 2 (Single Motor & Dual Motor 18-Inch Base Packages): Provides perfect structural compliance for the vehicle's dense subfloor battery mass, delivering precise straight-line highway tracking control and dependable wet-weather braking safety.
Hyundai Ioniq 6 (Preferred Long Range Packages running 18" factory assemblies): Direct sizing fitment that works cleanly with integrated electronic traction modules to balance track-inspired cornering limits, low rolling resistance to protect battery capacity, and a 70,000 km lifespan.
